One can't be angry when one looks at a penguin.

Punishment is the last and the least effective instrument in the hands of the legislator for the prevention of crime.

Labor rids us of three great evils; tediousness, vice, and poverty.

All things are literally better, lovelier, and more beloved for the imperfections which have been divinely appointed, that the law of human life may be effort, and the law of human judgment, mercy.

The best work never was and never will be done for money.

The history of humanity is not the history of its wars, but the history of its households.

Compulsory education... It is a painful, continual, and difficult work; to be done by kindness, by watching, by warning, by precept, and by praise, — but above all — by example.